402532045530 has 128 divisors (see below), whose sum is σ = 994417067520. Its totient is φ = 104242360320.

The previous prime is 402532045471. The next prime is 402532045541. The reversal of 402532045530 is 35540235204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402532045491 and 402532045500.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175547064 + ... + 175549356.

It is an arithmetic number, because the mean of its divisors is an integer number (7768883340).

Almost surely, 2^402532045530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402532045530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497208533760).

402532045530 is an abundant number, since it is smaller than the sum of its proper divisors (591885021990).

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

402532045530 is a wasteful number, since it uses less digits than its factorization.

402532045530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3576.

The product of its (nonzero) digits is 72000, while the sum is 33.

The spelling of 402532045530 in words is "four hundred two billion, five hundred thirty-two million, forty-five thousand, five hundred thirty".