40374321 has 16 divisors (see below), whose sum is σ = 58134720. Its totient is φ = 24776640.

The previous prime is 40374319. The next prime is 40374343. The reversal of 40374321 is 12347304.

It is not a de Polignac number, because 40374321 - 2¹ = 40374319 is a prime.

It is a super-2 number, since 2×40374321² = 3260171592422082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40374291 and 40374300.

It is not an unprimeable number, because it can be changed into a prime (40373321) 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, 15190 + ... + 17648.

It is an arithmetic number, because the mean of its divisors is an integer number (3633420).

Almost surely, 2^40374321 is an apocalyptic number.

It is an amenable number.

40374321 is a deficient number, since it is larger than the sum of its proper divisors (17760399).

40374321 is a wasteful number, since it uses less digits than its factorization.

40374321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 40374321 is about 6354.0790835494. The cubic root of 40374321 is about 343.0586786593.

The spelling of 40374321 in words is "forty million, three hundred seventy-four thousand, three hundred twenty-one".