403000971772 has 144 divisors (see below), whose sum is σ = 893352317760. Its totient is φ = 157945116672.

The previous prime is 403000971749. The next prime is 403000971787. The reversal of 403000971772 is 277179000304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113296218 + ... + 113299774.

It is an arithmetic number, because the mean of its divisors is an integer number (6203835540).

Almost surely, 2^403000971772 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 403000971772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446676158880).

403000971772 is an abundant number, since it is smaller than the sum of its proper divisors (490351345988).

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

403000971772 is a wasteful number, since it uses less digits than its factorization.

403000971772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4548 (or 4539 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 40.

The spelling of 403000971772 in words is "four hundred three billion, nine hundred seventy-one thousand, seven hundred seventy-two".