80140412 has 12 divisors (see below), whose sum is σ = 152995416. Its totient is φ = 36427440.

The previous prime is 80140393. The next prime is 80140439. The reversal of 80140412 is 21404108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910643 + ... + 910730.

It is an arithmetic number, because the mean of its divisors is an integer number (12749618).

Almost surely, 2^80140412 is an apocalyptic number.

It is an amenable number.

80140412 is a deficient number, since it is larger than the sum of its proper divisors (72855004).

80140412 is a wasteful number, since it uses less digits than its factorization.

80140412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821388 (or 1821386 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 80140412 is about 8952.1177382785. The cubic root of 80140412 is about 431.1388810676.

The spelling of 80140412 in words is "eighty million, one hundred forty thousand, four hundred twelve".