401332480156 has 48 divisors (see below), whose sum is σ = 740898031104. Its totient is φ = 189976401216.

The previous prime is 401332480151. The next prime is 401332480217. The reversal of 401332480156 is 651084233104.

It is a super-2 number, since 2×401332480156² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401332480151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1553841 + ... + 1793623.

It is an arithmetic number, because the mean of its divisors is an integer number (15435375648).

Almost surely, 2^401332480156 is an apocalyptic number.

It is an amenable number.

401332480156 is a deficient number, since it is larger than the sum of its proper divisors (339565550948).

401332480156 is a wasteful number, since it uses less digits than its factorization.

401332480156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240130 (or 240128 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 401332480156 in words is "four hundred one billion, three hundred thirty-two million, four hundred eighty thousand, one hundred fifty-six".