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40102277472 = 2533433373203
BaseRepresentation
bin100101010110010010…
…000011000101100000
310211111210111202211000
4211112102003011200
51124112140334342
630231150552000
72616525506565
oct452622030540
9124453452730
1040102277472
1116009765684
127932208600
133a2131288a
141d25dd286c
15109a98b44c
hex956483160

40102277472 has 192 divisors, whose sum is σ = 120077717760. Its totient is φ = 13013747712.

The previous prime is 40102277447. The next prime is 40102277473. The reversal of 40102277472 is 27477220104.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40102277473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12518623 + ... + 12521825.

It is an arithmetic number, because the mean of its divisors is an integer number (625404780).

Almost surely, 240102277472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40102277472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60038858880).

40102277472 is an abundant number, since it is smaller than the sum of its proper divisors (79975440288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40102277472 is a wasteful number, since it uses less digits than its factorization.

40102277472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602 (or 3588 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 36.

Adding to 40102277472 its reverse (27477220104), we get a palindrome (67579497576).

The spelling of 40102277472 in words is "forty billion, one hundred two million, two hundred seventy-seven thousand, four hundred seventy-two".