90945401270 has 16 divisors (see below), whose sum is σ = 163722804768. Its totient is φ = 36373475520.

The previous prime is 90945401257. The next prime is 90945401293. The reversal of 90945401270 is 7210454909.

It is a super-2 number, since 2×90945401270² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503546 + ... + 659885.

It is an arithmetic number, because the mean of its divisors is an integer number (10232675298).

Almost surely, 2^90945401270 is an apocalyptic number.

90945401270 is a deficient number, since it is larger than the sum of its proper divisors (72777403498).

90945401270 is a wasteful number, since it uses less digits than its factorization.

90945401270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171255.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 90945401270 in words is "ninety billion, nine hundred forty-five million, four hundred one thousand, two hundred seventy".