401266479 has 8 divisors (see below), whose sum is σ = 543793072. Its totient is φ = 263125440.

The previous prime is 401266477. The next prime is 401266483. The reversal of 401266479 is 974662104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 401266479 - 2¹ = 401266477 is a prime.

It is a super-2 number, since 2×401266479² = 322029574338114882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401266471) 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, 1096174 + ... + 1096539.

It is an arithmetic number, because the mean of its divisors is an integer number (67974134).

Almost surely, 2^401266479 is an apocalyptic number.

401266479 is a deficient number, since it is larger than the sum of its proper divisors (142526593).

401266479 is a wasteful number, since it uses less digits than its factorization.

401266479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192777.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 401266479 is about 20031.6369525808. The cubic root of 401266479 is about 737.5831052189.

The spelling of 401266479 in words is "four hundred one million, two hundred sixty-six thousand, four hundred seventy-nine".