40161337400 has 48 divisors (see below), whose sum is σ = 98289598200. Its totient is φ = 15219031680.

The previous prime is 40161337367. The next prime is 40161337409. The reversal of 40161337400 is 473316104.

It is a super-2 number, since 2×40161337400² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40161337409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5280587 + ... + 5288186.

Almost surely, 2^40161337400 is an apocalyptic number.

40161337400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40161337400 is an abundant number, since it is smaller than the sum of its proper divisors (58128260800).

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

40161337400 is a wasteful number, since it uses less digits than its factorization.

40161337400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10568808 (or 10568799 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The spelling of 40161337400 in words is "forty billion, one hundred sixty-one million, three hundred thirty-seven thousand, four hundred".