405155532542332 has 48 divisors (see below), whose sum is σ = 834499919578752. Its totient is φ = 169684550642880.

The previous prime is 405155532542317. The next prime is 405155532542351. The reversal of 405155532542332 is 233245235551504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 647140378 + ... + 647766145.

It is an arithmetic number, because the mean of its divisors is an integer number (17385414991224).

Almost surely, 2^{405155532542332} is an apocalyptic number.

It is an amenable number.

405155532542332 is an abundant number, since it is smaller than the sum of its proper divisors (429344387036420).

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

405155532542332 is a wasteful number, since it uses less digits than its factorization.

405155532542332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294907098 (or 1294907096 counting only the distinct ones).

The product of its (nonzero) digits is 10800000, while the sum is 49.

The spelling of 405155532542332 in words is "four hundred five trillion, one hundred fifty-five billion, five hundred thirty-two million, five hundred forty-two thousand, three hundred thirty-two".