80401624 has 8 divisors (see below), whose sum is σ = 150753060. Its totient is φ = 40200808.

The previous prime is 80401591. The next prime is 80401637. The reversal of 80401624 is 42610408.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×80401624² = 12928842283674752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025094 + ... + 5025109.

Almost surely, 2^80401624 is an apocalyptic number.

It is an amenable number.

80401624 is a deficient number, since it is larger than the sum of its proper divisors (70351436).

80401624 is a wasteful number, since it uses less digits than its factorization.

80401624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050209 (or 10050205 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 80401624 is about 8966.6952663732. The cubic root of 80401624 is about 431.6067952787.

The spelling of 80401624 in words is "eighty million, four hundred one thousand, six hundred twenty-four".