1451231632530 has 96 divisors (see below), whose sum is σ = 3929387604480. Its totient is φ = 371197048320.

The previous prime is 1451231632481. The next prime is 1451231632537. The reversal of 1451231632530 is 352361321541.

1451231632530 is a `hidden beast` number, since 1 + 4 + 5 + 12 + 3 + 1 + 632 + 5 + 3 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (1451231632537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1986300 + ... + 2616839.

It is an arithmetic number, because the mean of its divisors is an integer number (40931120880).

Almost surely, 2^{1451231632530} is an apocalyptic number.

1451231632530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1451231632530 is an abundant number, since it is smaller than the sum of its proper divisors (2478155971950).

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

1451231632530 is a wasteful number, since it uses less digits than its factorization.

1451231632530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4603296 (or 4603293 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 1451231632530 in words is "one trillion, four hundred fifty-one billion, two hundred thirty-one million, six hundred thirty-two thousand, five hundred thirty".