80402292 has 18 divisors (see below), whose sum is σ = 203239218. Its totient is φ = 26800752.

The previous prime is 80402291. The next prime is 80402321. The reversal of 80402292 is 29220408.

It can be written as a sum of positive squares in only one way, i.e., 41912676 + 38489616 = 6474^2 + 6204^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80402291) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1116663 + ... + 1116734.

Almost surely, 2^80402292 is an apocalyptic number.

It is an amenable number.

80402292 is an abundant number, since it is smaller than the sum of its proper divisors (122836926).

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

80402292 is a wasteful number, since it uses less digits than its factorization.

80402292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233407 (or 2233402 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 80402292 is about 8966.7325152477. The cubic root of 80402292 is about 431.6079905802.

The spelling of 80402292 in words is "eighty million, four hundred two thousand, two hundred ninety-two".