40374440 has 16 divisors (see below), whose sum is σ = 90842580. Its totient is φ = 16149760.

The previous prime is 40374413. The next prime is 40374461. The reversal of 40374440 is 4447304.

It can be written as a sum of positive squares in 2 ways, for example, as 37871716 + 2502724 = 6154^2 + 1582^2 .

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, 504641 + ... + 504720.

Almost surely, 2^40374440 is an apocalyptic number.

40374440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40374440 is an abundant number, since it is smaller than the sum of its proper divisors (50468140).

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

40374440 is a wasteful number, since it uses less digits than its factorization.

40374440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009372 (or 1009368 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 40374440 is about 6354.0884476060. The cubic root of 40374440 is about 343.0590157047.

The spelling of 40374440 in words is "forty million, three hundred seventy-four thousand, four hundred forty".