1629452339680 has 48 divisors (see below), whose sum is σ = 4199543079984. Its totient is φ = 592528122880.

The previous prime is 1629452339579. The next prime is 1629452339821. The reversal of 1629452339680 is 869332549261.

It is a super-2 number, since 2×1629452339680² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462910837 + ... + 462914356.

It is an arithmetic number, because the mean of its divisors is an integer number (87490480833).

Almost surely, 2^{1629452339680} is an apocalyptic number.

1629452339680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1629452339680 is an abundant number, since it is smaller than the sum of its proper divisors (2570090740304).

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

1629452339680 is a wasteful number, since it uses less digits than its factorization.

1629452339680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925825219 (or 925825211 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 58.

The spelling of 1629452339680 in words is "one trillion, six hundred twenty-nine billion, four hundred fifty-two million, three hundred thirty-nine thousand, six hundred eighty".