901250490 has 64 divisors (see below), whose sum is σ = 2499828480. Its totient is φ = 203681280.

The previous prime is 901250431. The next prime is 901250533. The reversal of 901250490 is 94052109.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5421 + ... + 42800.

It is an arithmetic number, because the mean of its divisors is an integer number (39059820).

Almost surely, 2^901250490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 901250490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1249914240).

901250490 is an abundant number, since it is smaller than the sum of its proper divisors (1598577990).

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

901250490 is a wasteful number, since it uses less digits than its factorization.

901250490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48327.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 901250490 is about 30020.8342655563. The cubic root of 901250490 is about 965.9363387098.

The spelling of 901250490 in words is "nine hundred one million, two hundred fifty thousand, four hundred ninety".