40375616 has 28 divisors (see below), whose sum is σ = 80322420. Its totient is φ = 20136960.

The previous prime is 40375597. The next prime is 40375631. The reversal of 40375616 is 61657304.

It can be written as a sum of positive squares in 2 ways, for example, as 7840000 + 32535616 = 2800^2 + 5704^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 48290 + ... + 49118.

Almost surely, 2^40375616 is an apocalyptic number.

It is an amenable number.

40375616 is a deficient number, since it is larger than the sum of its proper divisors (39946804).

40375616 is an equidigital number, since it uses as much as digits as its factorization.

40375616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 40375616 is about 6354.1809857762. The cubic root of 40375616 is about 343.0623464711.

The spelling of 40375616 in words is "forty million, three hundred seventy-five thousand, six hundred sixteen".