401261334 has 16 divisors (see below), whose sum is σ = 828410880. Its totient is φ = 129439080.

The previous prime is 401261327. The next prime is 401261339. The reversal of 401261334 is 433162104.

It is a super-2 number, since 2×401261334² = 322021316326919112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401261339) 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, 1078474 + ... + 1078845.

It is an arithmetic number, because the mean of its divisors is an integer number (51775680).

Almost surely, 2^401261334 is an apocalyptic number.

401261334 is an abundant number, since it is smaller than the sum of its proper divisors (427149546).

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

401261334 is a wasteful number, since it uses less digits than its factorization.

401261334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157355.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 401261334 is about 20031.5085303129. The cubic root of 401261334 is about 737.5799527990.

The spelling of 401261334 in words is "four hundred one million, two hundred sixty-one thousand, three hundred thirty-four".