403346121156 has 96 divisors (see below), whose sum is σ = 1141159877760. Its totient is φ = 122185065600.

The previous prime is 403346121149. The next prime is 403346121181. The reversal of 403346121156 is 651121643304.

403346121156 is a `hidden beast` number, since 4 + 0 + 3 + 34 + 612 + 1 + 1 + 5 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 403346121156.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3581010 + ... + 3691926.

It is an arithmetic number, because the mean of its divisors is an integer number (11887082060).

Almost surely, 2^403346121156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403346121156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570579938880).

403346121156 is an abundant number, since it is smaller than the sum of its proper divisors (737813756604).

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

403346121156 is a wasteful number, since it uses less digits than its factorization.

403346121156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114002 (or 113994 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 403346121156 in words is "four hundred three billion, three hundred forty-six million, one hundred twenty-one thousand, one hundred fifty-six".