40660920 has 64 divisors (see below), whose sum is σ = 135540000. Its totient is φ = 10842624.

The previous prime is 40660913. The next prime is 40660937. The reversal of 40660920 is 2906604.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17745 + ... + 19904.

Almost surely, 2^40660920 is an apocalyptic number.

40660920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40660920 is an abundant number, since it is smaller than the sum of its proper divisors (94879080).

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

40660920 is a wasteful number, since it uses less digits than its factorization.

40660920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37669 (or 37659 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 40660920 is about 6376.5915660328. The cubic root of 40660920 is about 343.8685048167.

The spelling of 40660920 in words is "forty million, six hundred sixty thousand, nine hundred twenty".