99555481490 has 32 divisors (see below), whose sum is σ = 181086482304. Its totient is φ = 39403123200.

The previous prime is 99555481471. The next prime is 99555481507. The reversal of 99555481490 is 9418455599.

It is a super-2 number, since 2×99555481490² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6346637 + ... + 6362303.

It is an arithmetic number, because the mean of its divisors is an integer number (5658952572).

Almost surely, 2^99555481490 is an apocalyptic number.

99555481490 is a deficient number, since it is larger than the sum of its proper divisors (81531000814).

99555481490 is a wasteful number, since it uses less digits than its factorization.

99555481490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22322.

The product of its (nonzero) digits is 11664000, while the sum is 59.

The spelling of 99555481490 in words is "ninety-nine billion, five hundred fifty-five million, four hundred eighty-one thousand, four hundred ninety".