40072510 has 8 divisors (see below), whose sum is σ = 72130536. Its totient is φ = 16029000.

The previous prime is 40072493. The next prime is 40072559. The reversal of 40072510 is 1527004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003616 + ... + 2003635.

It is an arithmetic number, because the mean of its divisors is an integer number (9016317).

Almost surely, 2^40072510 is an apocalyptic number.

40072510 is a deficient number, since it is larger than the sum of its proper divisors (32058026).

40072510 is a wasteful number, since it uses less digits than its factorization.

40072510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007258.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 40072510 is about 6330.2851436566. The cubic root of 40072510 is about 342.2017151855.

Adding to 40072510 its reverse (1527004), we get a palindrome (41599514).

The spelling of 40072510 in words is "forty million, seventy-two thousand, five hundred ten".