90540179741 has 8 divisors (see below), whose sum is σ = 100872618624. Its totient is φ = 80557993120.

The previous prime is 90540179731. The next prime is 90540179749. The reversal of 90540179741 is 14797104509.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90540179741 - 2²² = 90535985437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90540179749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87562520 + ... + 87563553.

It is an arithmetic number, because the mean of its divisors is an integer number (12609077328).

Almost surely, 2^90540179741 is an apocalyptic number.

It is an amenable number.

90540179741 is a deficient number, since it is larger than the sum of its proper divisors (10332438883).

90540179741 is a wasteful number, since it uses less digits than its factorization.

90540179741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175126131.

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 90540179741 in words is "ninety billion, five hundred forty million, one hundred seventy-nine thousand, seven hundred forty-one".