901402668 has 90 divisors (see below), whose sum is σ = 2388462076. Its totient is φ = 297659448.

The previous prime is 901402633. The next prime is 901402669. The reversal of 901402668 is 866204109.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (901402669) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 8424271 + ... + 8424377.

Almost surely, 2^901402668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 901402668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1194231038).

901402668 is an abundant number, since it is smaller than the sum of its proper divisors (1487059408).

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

901402668 is an frugal number, since it uses more digits than its factorization.

901402668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 901402668 is about 30023.3686983989. The cubic root of 901402668 is about 965.9907024297.

The spelling of 901402668 in words is "nine hundred one million, four hundred two thousand, six hundred sixty-eight".