901238540 has 12 divisors (see below), whose sum is σ = 1892600976. Its totient is φ = 360495408.

The previous prime is 901238521. The next prime is 901238581. The reversal of 901238540 is 45832109.

It is a junction number, because it is equal to n+sod(n) for n = 901238497 and 901238506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22530944 + ... + 22530983.

It is an arithmetic number, because the mean of its divisors is an integer number (157716748).

Almost surely, 2^901238540 is an apocalyptic number.

It is an amenable number.

901238540 is an abundant number, since it is smaller than the sum of its proper divisors (991362436).

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

901238540 is a wasteful number, since it uses less digits than its factorization.

901238540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45061936 (or 45061934 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 901238540 is about 30020.6352364503. The cubic root of 901238540 is about 965.9320694601.

The spelling of 901238540 in words is "nine hundred one million, two hundred thirty-eight thousand, five hundred forty".