45940638 has 16 divisors (see below), whose sum is σ = 92057616. Its totient is φ = 15284160.

The previous prime is 45940619. The next prime is 45940639. The reversal of 45940638 is 83604954.

It is a super-2 number, since 2×45940638² = 4221084439694088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45940596 and 45940605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45940639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3831 + ... + 10322.

It is an arithmetic number, because the mean of its divisors is an integer number (5753601).

Almost surely, 2^45940638 is an apocalyptic number.

45940638 is an abundant number, since it is smaller than the sum of its proper divisors (46116978).

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

45940638 is a wasteful number, since it uses less digits than its factorization.

45940638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14699.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 45940638 is about 6777.9523456572. The cubic root of 45940638 is about 358.1505925748.

The spelling of 45940638 in words is "forty-five million, nine hundred forty thousand, six hundred thirty-eight".