40311357 has 16 divisors (see below), whose sum is σ = 54989760. Its totient is φ = 26260992.

The previous prime is 40311319. The next prime is 40311371. The reversal of 40311357 is 75311304.

It is not a de Polignac number, because 40311357 - 2¹² = 40307261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40311307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23319 + ... + 24987.

It is an arithmetic number, because the mean of its divisors is an integer number (3436860).

Almost surely, 2^40311357 is an apocalyptic number.

It is an amenable number.

40311357 is a deficient number, since it is larger than the sum of its proper divisors (14678403).

40311357 is a wasteful number, since it uses less digits than its factorization.

40311357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 40311357 is about 6349.1225378000. The cubic root of 40311357 is about 342.8802518402.

The spelling of 40311357 in words is "forty million, three hundred eleven thousand, three hundred fifty-seven".