40899547136 has 208 divisors, whose sum is σ = 99156969600. Its totient is φ = 16477323264.

The previous prime is 40899547069. The next prime is 40899547147. The reversal of 40899547136 is 63174599804.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105140030 + ... + 105140418.

It is an arithmetic number, because the mean of its divisors is an integer number (476716200).

Almost surely, 2^40899547136 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 40899547136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49578484800).

40899547136 is an abundant number, since it is smaller than the sum of its proper divisors (58257422464).

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

40899547136 is a wasteful number, since it uses less digits than its factorization.

40899547136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 40899547136 in words is "forty billion, eight hundred ninety-nine million, five hundred forty-seven thousand, one hundred thirty-six".