1248400008632 has 128 divisors (see below), whose sum is σ = 2772587543040. Its totient is φ = 515901934080.

The previous prime is 1248400008629. The next prime is 1248400008641. The reversal of 1248400008632 is 2368000048421.

It is a super-2 number, since 2×1248400008632² (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 31 ways as a sum of consecutive naturals, for example, 316288883 + ... + 316292829.

It is an arithmetic number, because the mean of its divisors is an integer number (21660840180).

Almost surely, 2^{1248400008632} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1248400008632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386293771520).

1248400008632 is an abundant number, since it is smaller than the sum of its proper divisors (1524187534408).

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

1248400008632 is a wasteful number, since it uses less digits than its factorization.

1248400008632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5821 (or 5817 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 1248400008632 in words is "one trillion, two hundred forty-eight billion, four hundred million, eight thousand, six hundred thirty-two".