40407861930 has 32 divisors (see below), whose sum is σ = 98147294784. Its totient is φ = 10645604736.

The previous prime is 40407861919. The next prime is 40407861931. The reversal of 40407861930 is 3916870404.

40407861930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×40407861930³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40407861931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8111539 + ... + 8116518.

It is an arithmetic number, because the mean of its divisors is an integer number (3067102962).

Almost surely, 2^40407861930 is an apocalyptic number.

40407861930 is an abundant number, since it is smaller than the sum of its proper divisors (57739432854).

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

40407861930 is a wasteful number, since it uses less digits than its factorization.

40407861930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16228150.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 40407861930 in words is "forty billion, four hundred seven million, eight hundred sixty-one thousand, nine hundred thirty".