40715520 has 144 divisors (see below), whose sum is σ = 135983232. Its totient is φ = 10362880.

The previous prime is 40715471. The next prime is 40715551. The reversal of 40715520 is 2551704.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 88090 + ... + 88550.

It is an arithmetic number, because the mean of its divisors is an integer number (944328).

Almost surely, 2^40715520 is an apocalyptic number.

40715520 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 40715520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67991616).

40715520 is an abundant number, since it is smaller than the sum of its proper divisors (95267712).

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

40715520 is a wasteful number, since it uses less digits than its factorization.

40715520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 40715520 is about 6380.8714138431. The cubic root of 40715520 is about 344.0223529733.

It can be divided in two parts, 4071 and 5520, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 40715520 in words is "forty million, seven hundred fifteen thousand, five hundred twenty".