40694928 has 40 divisors (see below), whose sum is σ = 106618176. Its totient is φ = 13372800.

The previous prime is 40694921. The next prime is 40694933. The reversal of 40694928 is 82949604.

It is a self number, because there is not a number n which added to its sum of digits gives 40694928.

It is not an unprimeable number, because it can be changed into a prime (40694921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2563 + ... + 9378.

Almost surely, 2^40694928 is an apocalyptic number.

40694928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40694928 is an abundant number, since it is smaller than the sum of its proper divisors (65923248).

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

40694928 is a wasteful number, since it uses less digits than its factorization.

40694928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12023 (or 12017 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 40694928 is about 6379.2576370609. The cubic root of 40694928 is about 343.9643464040.

The spelling of 40694928 in words is "forty million, six hundred ninety-four thousand, nine hundred twenty-eight".