401350242 has 16 divisors (see below), whose sum is σ = 828594432. Its totient is φ = 129467760.

The previous prime is 401350241. The next prime is 401350283. The reversal of 401350242 is 242053104.

It is a super-2 number, since 2×401350242² = 322164033506917128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401350241) 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, 1078713 + ... + 1079084.

It is an arithmetic number, because the mean of its divisors is an integer number (51787152).

Almost surely, 2^401350242 is an apocalyptic number.

401350242 is an abundant number, since it is smaller than the sum of its proper divisors (427244190).

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

401350242 is a wasteful number, since it uses less digits than its factorization.

401350242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157833.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 401350242 is about 20033.7276112061. The cubic root of 401350242 is about 737.6344242952.

The spelling of 401350242 in words is "four hundred one million, three hundred fifty thousand, two hundred forty-two".