40790925 has 96 divisors (see below), whose sum is σ = 87494400. Its totient is φ = 18247680.

The previous prime is 40790921. The next prime is 40790927. The reversal of 40790925 is 52909704.

It is not a de Polignac number, because 40790925 - 2² = 40790921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40790925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40790921) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 420477 + ... + 420573.

It is an arithmetic number, because the mean of its divisors is an integer number (911400).

Almost surely, 2^40790925 is an apocalyptic number.

40790925 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40790925 is an abundant number, since it is smaller than the sum of its proper divisors (46703475).

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

40790925 is a wasteful number, since it uses less digits than its factorization.

40790925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 40790925 is about 6386.7773563825. Note that the first 3 decimals coincide. The cubic root of 40790925 is about 344.2345980645.

The spelling of 40790925 in words is "forty million, seven hundred ninety thousand, nine hundred twenty-five".