452779540 has 48 divisors (see below), whose sum is σ = 962196480. Its totient is φ = 178963200.

The previous prime is 452779517. The next prime is 452779559. The reversal of 452779540 is 45977254.

It is a super-2 number, since 2×452779540² = 410018623685223200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 945021 + ... + 945499.

It is an arithmetic number, because the mean of its divisors is an integer number (20045760).

Almost surely, 2^452779540 is an apocalyptic number.

It is an amenable number.

452779540 is an abundant number, since it is smaller than the sum of its proper divisors (509416940).

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

452779540 is a wasteful number, since it uses less digits than its factorization.

452779540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The square root of 452779540 is about 21278.6169663350. The cubic root of 452779540 is about 767.8839636793.

The spelling of 452779540 in words is "four hundred fifty-two million, seven hundred seventy-nine thousand, five hundred forty".