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40487285744 = 2419133181861
BaseRepresentation
bin100101101101001110…
…101111001111110000
310212111121222012212122
4211231032233033300
51130404221120434
630333303013412
72632212151643
oct455516571760
9125447865778
1040487285744
1116197021034
127a1b13a268
133a83005519
141d611b3a5a
1510be68cc2e
hex96d3af3f0

40487285744 has 20 divisors (see below), whose sum is σ = 82572754440. Its totient is φ = 19178187840.

The previous prime is 40487285737. The next prime is 40487285753. The reversal of 40487285744 is 44758278404.

It is a happy number.

It is a super-3 number, since 3×404872857443 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66590627 + ... + 66591234.

It is an arithmetic number, because the mean of its divisors is an integer number (4128637722).

Almost surely, 240487285744 is an apocalyptic number.

It is an amenable number.

40487285744 is an abundant number, since it is smaller than the sum of its proper divisors (42085468696).

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

40487285744 is a wasteful number, since it uses less digits than its factorization.

40487285744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133181888 (or 133181882 counting only the distinct ones).

The product of its (nonzero) digits is 8028160, while the sum is 53.

The spelling of 40487285744 in words is "forty billion, four hundred eighty-seven million, two hundred eighty-five thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 133181861 266363722 532727444 1065454888 2130909776 2530455359 5060910718 10121821436 20243642872 40487285744