80490018909501 has 64 divisors (see below), whose sum is σ = 123667875901440. Its totient is φ = 51698010888000.

The previous prime is 80490018909479. The next prime is 80490018909527. The reversal of 80490018909501 is 10590981009408.

80490018909501 is a `hidden beast` number, since 8 + 0 + 49 + 0 + 0 + 1 + 8 + 90 + 9 + 501 = 666.

It is not a de Polignac number, because 80490018909501 - 2¹³ = 80490018901309 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80490018909301) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1335881626 + ... + 1335941876.

It is an arithmetic number, because the mean of its divisors is an integer number (1932310560960).

Almost surely, 2^{80490018909501} is an apocalyptic number.

It is an amenable number.

80490018909501 is a deficient number, since it is larger than the sum of its proper divisors (43177856991939).

80490018909501 is a wasteful number, since it uses less digits than its factorization.

80490018909501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73383 (or 73377 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 54.

The spelling of 80490018909501 in words is "eighty trillion, four hundred ninety billion, eighteen million, nine hundred nine thousand, five hundred one".