676251891450 has 384 divisors, whose sum is σ = 2005431644160. Its totient is φ = 167165856000.

The previous prime is 676251891401. The next prime is 676251891481. The reversal of 676251891450 is 54198152676.

It is a happy number.

676251891450 is a `hidden beast` number, since 6 + 7 + 6 + 2 + 5 + 189 + 1 + 450 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 136586475 + ... + 136591425.

It is an arithmetic number, because the mean of its divisors is an integer number (5222478240).

Almost surely, 2^676251891450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676251891450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002715822080).

676251891450 is an abundant number, since it is smaller than the sum of its proper divisors (1329179752710).

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

676251891450 is a wasteful number, since it uses less digits than its factorization.

676251891450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131 (or 5120 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 676251891450 in words is "six hundred seventy-six billion, two hundred fifty-one million, eight hundred ninety-one thousand, four hundred fifty".