1452172680 has 384 divisors, whose sum is σ = 5768755200. Its totient is φ = 309657600.

The previous prime is 1452172669. The next prime is 1452172681. The reversal of 1452172680 is 862712541.

1452172680 is a `hidden beast` number, since 1 + 4 + 521 + 72 + 68 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1452172681) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2265160 + ... + 2265800.

It is an arithmetic number, because the mean of its divisors is an integer number (15022800).

Almost surely, 2^1452172680 is an apocalyptic number.

1452172680 is a gapful number since it is divisible by the number (10) 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 1452172680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2884377600).

1452172680 is an abundant number, since it is smaller than the sum of its proper divisors (4316582520).

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

1452172680 is a wasteful number, since it uses less digits than its factorization.

1452172680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1452172680 is about 38107.3835365274. The cubic root of 1452172680 is about 1132.4162357823.

The spelling of 1452172680 in words is "one billion, four hundred fifty-two million, one hundred seventy-two thousand, six hundred eighty".