40765120 has 112 divisors (see below), whose sum is σ = 109106208. Its totient is φ = 14376960.

The previous prime is 40765117. The next prime is 40765139. The reversal of 40765120 is 2156704.

It is a super-2 number, since 2×40765120² = 3323590017228800, which contains 22 as substring.

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, 130084 + ... + 130396.

Almost surely, 2^40765120 is an apocalyptic number.

40765120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40765120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54553104).

40765120 is an abundant number, since it is smaller than the sum of its proper divisors (68341088).

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

40765120 is a wasteful number, since it uses less digits than its factorization.

40765120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40765120 is about 6384.7568473670. The cubic root of 40765120 is about 344.1619932908.

The spelling of 40765120 in words is "forty million, seven hundred sixty-five thousand, one hundred twenty".