40292912 has 40 divisors (see below), whose sum is σ = 86994432. Its totient is φ = 17921600.

The previous prime is 40292899. The next prime is 40292921. The reversal of 40292912 is 21929204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5837 + ... + 10707.

Almost surely, 2^40292912 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 40292912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43497216).

40292912 is an abundant number, since it is smaller than the sum of its proper divisors (46701520).

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

40292912 is a wasteful number, since it uses less digits than its factorization.

40292912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4937 (or 4931 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 40292912 is about 6347.6698086778. The cubic root of 40292912 is about 342.8279473817.

The spelling of 40292912 in words is "forty million, two hundred ninety-two thousand, nine hundred twelve".