40177795020 has 192 divisors, whose sum is σ = 126503354880. Its totient is φ = 9443174400.

The previous prime is 40177795013. The next prime is 40177795069. The reversal of 40177795020 is 2059777104.

It is a super-2 number, since 2×40177795020² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4406226 + ... + 4415334.

It is an arithmetic number, because the mean of its divisors is an integer number (658871640).

Almost surely, 2^40177795020 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 40177795020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63251677440).

40177795020 is an abundant number, since it is smaller than the sum of its proper divisors (86325559860).

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

40177795020 is a wasteful number, since it uses less digits than its factorization.

40177795020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9336 (or 9334 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 42.

The spelling of 40177795020 in words is "forty billion, one hundred seventy-seven million, seven hundred ninety-five thousand, twenty".