44540977 has 4 divisors (see below), whose sum is σ = 47967220. Its totient is φ = 41114736.

The previous prime is 44540971. The next prime is 44540989. The reversal of 44540977 is 77904544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9541921 + 34999056 = 3089^2 + 5916^2 .

It is not a de Polignac number, because 44540977 - 2⁷ = 44540849 is a prime.

It is a super-2 number, since 2×44540977² = 3967797264229058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44540971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713102 + ... + 1713127.

It is an arithmetic number, because the mean of its divisors is an integer number (11991805).

Almost surely, 2^44540977 is an apocalyptic number.

It is an amenable number.

44540977 is a deficient number, since it is larger than the sum of its proper divisors (3426243).

44540977 is a wasteful number, since it uses less digits than its factorization.

44540977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426242.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 44540977 is about 6673.9026813402. The cubic root of 44540977 is about 354.4757904826.

The spelling of 44540977 in words is "forty-four million, five hundred forty thousand, nine hundred seventy-seven".