401215406126 has 4 divisors (see below), whose sum is σ = 601823109192. Its totient is φ = 200607703062.

The previous prime is 401215406117. The next prime is 401215406153. The reversal of 401215406126 is 621604512104.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×401215406126² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401215406092 and 401215406101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100303851530 + ... + 100303851533.

It is an arithmetic number, because the mean of its divisors is an integer number (150455777298).

Almost surely, 2^401215406126 is an apocalyptic number.

401215406126 is a deficient number, since it is larger than the sum of its proper divisors (200607703066).

401215406126 is a wasteful number, since it uses less digits than its factorization.

401215406126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200607703065.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 401215406126 in words is "four hundred one billion, two hundred fifteen million, four hundred six thousand, one hundred twenty-six".