452121131544 has 32 divisors (see below), whose sum is σ = 1130344200000. Its totient is φ = 150701527712.

The previous prime is 452121131533. The next prime is 452121131633. The reversal of 452121131544 is 445131121254.

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, 353467 + ... + 1014485.

It is an arithmetic number, because the mean of its divisors is an integer number (35323256250).

Almost surely, 2^452121131544 is an apocalyptic number.

It is an amenable number.

452121131544 is an abundant number, since it is smaller than the sum of its proper divisors (678223068456).

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

452121131544 is a wasteful number, since it uses less digits than its factorization.

452121131544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689527 (or 689523 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

Adding to 452121131544 its reverse (445131121254), we get a palindrome (897252252798).

The spelling of 452121131544 in words is "four hundred fifty-two billion, one hundred twenty-one million, one hundred thirty-one thousand, five hundred forty-four".