80541642 has 32 divisors (see below), whose sum is σ = 168324480. Its totient is φ = 25659200.

The previous prime is 80541611. The next prime is 80541647. The reversal of 80541642 is 24614508.

It is not an unprimeable number, because it can be changed into a prime (80541647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15283 + ... + 19865.

It is an arithmetic number, because the mean of its divisors is an integer number (5260140).

Almost surely, 2^80541642 is an apocalyptic number.

80541642 is an abundant number, since it is smaller than the sum of its proper divisors (87782838).

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

80541642 is a wasteful number, since it uses less digits than its factorization.

80541642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4718.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 80541642 is about 8974.4995403644. The cubic root of 80541642 is about 431.8571951684.

The spelling of 80541642 in words is "eighty million, five hundred forty-one thousand, six hundred forty-two".