40377933 has 10 divisors (see below), whose sum is σ = 60317774. Its totient is φ = 26918568.

The previous prime is 40377929. The next prime is 40377937. The reversal of 40377933 is 33977304.

It is an interprime number because it is at equal distance from previous prime (40377929) and next prime (40377937).

It can be written as a sum of positive squares in only one way, i.e., 37234404 + 3143529 = 6102^2 + 1773^2 .

It is not a de Polignac number, because 40377933 - 2² = 40377929 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40377937) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 249166 + ... + 249327.

Almost surely, 2^40377933 is an apocalyptic number.

It is an amenable number.

40377933 is a deficient number, since it is larger than the sum of its proper divisors (19939841).

40377933 is an equidigital number, since it uses as much as digits as its factorization.

40377933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498505 (or 498496 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 36.

The square root of 40377933 is about 6354.3633040612. The cubic root of 40377933 is about 343.0689086848.

The spelling of 40377933 in words is "forty million, three hundred seventy-seven thousand, nine hundred thirty-three".