401261807948 has 6 divisors (see below), whose sum is σ = 702208163916. Its totient is φ = 200630903972.

The previous prime is 401261807911. The next prime is 401261807993. The reversal of 401261807948 is 849708162104.

It is a super-2 number, since 2×401261807948² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401261807896 and 401261807905.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50157725990 + ... + 50157725997.

It is an arithmetic number, because the mean of its divisors is an integer number (117034693986).

Almost surely, 2^401261807948 is an apocalyptic number.

It is an amenable number.

401261807948 is a deficient number, since it is larger than the sum of its proper divisors (300946355968).

401261807948 is a wasteful number, since it uses less digits than its factorization.

401261807948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100315451991 (or 100315451989 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 401261807948 in words is "four hundred one billion, two hundred sixty-one million, eight hundred seven thousand, nine hundred forty-eight".