677451240 has 192 divisors, whose sum is σ = 2279534400. Its totient is φ = 174375936.

The previous prime is 677451233. The next prime is 677451263. The reversal of 677451240 is 42154776.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 677451195 and 677451204.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1656156 + ... + 1656564.

It is an arithmetic number, because the mean of its divisors is an integer number (11872575).

Almost surely, 2^677451240 is an apocalyptic number.

677451240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 677451240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1139767200).

677451240 is an abundant number, since it is smaller than the sum of its proper divisors (1602083160).

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

677451240 is a wasteful number, since it uses less digits than its factorization.

677451240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 677451240 is about 26027.8934990905. The cubic root of 677451240 is about 878.2658859913.

The spelling of 677451240 in words is "six hundred seventy-seven million, four hundred fifty-one thousand, two hundred forty".