40551496600 has 144 divisors (see below), whose sum is σ = 96974262000. Its totient is φ = 15769800960.

The previous prime is 40551496597. The next prime is 40551496603. The reversal of 40551496600 is 669415504.

It is a happy number.

40551496600 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40551496597) and next prime (40551496603).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40551496603) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 116193226 + ... + 116193574.

It is an arithmetic number, because the mean of its divisors is an integer number (673432375).

Almost surely, 2^40551496600 is an apocalyptic number.

40551496600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40551496600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48487131000).

40551496600 is an abundant number, since it is smaller than the sum of its proper divisors (56422765400).

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

40551496600 is a wasteful number, since it uses less digits than its factorization.

40551496600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 40551496600 in words is "forty billion, five hundred fifty-one million, four hundred ninety-six thousand, six hundred".