1452649770 has 288 divisors, whose sum is σ = 4628961792. Its totient is φ = 313632000.

The previous prime is 1452649763. The next prime is 1452649789. The reversal of 1452649770 is 779462541.

1452649770 is a `hidden beast` number, since 14 + 526 + 49 + 7 + 70 = 666.

It is a super-2 number, since 2×1452649770² = 4220382708562105800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4388505 + ... + 4388835.

It is an arithmetic number, because the mean of its divisors is an integer number (16072784).

Almost surely, 2^1452649770 is an apocalyptic number.

1452649770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1452649770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2314480896).

1452649770 is an abundant number, since it is smaller than the sum of its proper divisors (3176312022).

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

1452649770 is a wasteful number, since it uses less digits than its factorization.

1452649770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 1452649770 is about 38113.6428329804. The cubic root of 1452649770 is about 1132.5402351099.

The spelling of 1452649770 in words is "one billion, four hundred fifty-two million, six hundred forty-nine thousand, seven hundred seventy".