403242251742 has 96 divisors (see below), whose sum is σ = 963362125440. Its totient is φ = 120883320000.

The previous prime is 403242251723. The next prime is 403242251821. The reversal of 403242251742 is 247152242304.

403242251742 is a `hidden beast` number, since 40 + 324 + 2 + 251 + 7 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 403242251697 and 403242251706.

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, 25809609 + ... + 25825227.

It is an arithmetic number, because the mean of its divisors is an integer number (10035022140).

Almost surely, 2^403242251742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403242251742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481681062720).

403242251742 is an abundant number, since it is smaller than the sum of its proper divisors (560119873698).

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

403242251742 is a wasteful number, since it uses less digits than its factorization.

403242251742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17030 (or 17027 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The spelling of 403242251742 in words is "four hundred three billion, two hundred forty-two million, two hundred fifty-one thousand, seven hundred forty-two".