80428140554 has 8 divisors (see below), whose sum is σ = 120702628548. Its totient is φ = 40193931040.

The previous prime is 80428140521. The next prime is 80428140587. The reversal of 80428140554 is 45504182408.

It is an interprime number because it is at equal distance from previous prime (80428140521) and next prime (80428140587).

It can be written as a sum of positive squares in 2 ways, for example, as 62588531329 + 17839609225 = 250177^2 + 133565^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 10064627 + ... + 10072614.

Almost surely, 2^80428140554 is an apocalyptic number.

80428140554 is a deficient number, since it is larger than the sum of its proper divisors (40274487994).

80428140554 is a wasteful number, since it uses less digits than its factorization.

80428140554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20139240.

The product of its (nonzero) digits is 204800, while the sum is 41.

The spelling of 80428140554 in words is "eighty billion, four hundred twenty-eight million, one hundred forty thousand, five hundred fifty-four".