45620840 has 32 divisors (see below), whose sum is σ = 105960960. Its totient is φ = 17659200.

The previous prime is 45620833. The next prime is 45620851. The reversal of 45620840 is 4802654.

It is a super-2 number, since 2×45620840² = 4162522084611200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17156 + ... + 19635.

It is an arithmetic number, because the mean of its divisors is an integer number (3311280).

Almost surely, 2^45620840 is an apocalyptic number.

45620840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45620840 is an abundant number, since it is smaller than the sum of its proper divisors (60340120).

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

45620840 is a wasteful number, since it uses less digits than its factorization.

45620840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36833 (or 36829 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 45620840 is about 6754.3200990181. The cubic root of 45620840 is about 357.3176144356.

The spelling of 45620840 in words is "forty-five million, six hundred twenty thousand, eight hundred forty".