40054365 has 64 divisors (see below), whose sum is σ = 79430400. Its totient is φ = 19014912.

The previous prime is 40054351. The next prime is 40054373. The reversal of 40054365 is 56345004.

It is not a de Polignac number, because 40054365 - 2⁴ = 40054349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50502 + ... + 51288.

It is an arithmetic number, because the mean of its divisors is an integer number (1241100).

Almost surely, 2^40054365 is an apocalyptic number.

40054365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40054365 is a deficient number, since it is larger than the sum of its proper divisors (39376035).

40054365 is a wasteful number, since it uses less digits than its factorization.

40054365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 40054365 is about 6328.8517915970. The cubic root of 40054365 is about 342.1500572655.

Adding to 40054365 its reverse (56345004), we get a palindrome (96399369).

The spelling of 40054365 in words is "forty million, fifty-four thousand, three hundred sixty-five".