456028978 has 32 divisors (see below), whose sum is σ = 745255728. Its totient is φ = 208435200.

The previous prime is 456028949. The next prime is 456028987. The reversal of 456028978 is 879820654.

It can be written as a sum of positive squares in 8 ways, for example, as 197880489 + 258148489 = 14067^2 + 16067^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385548 + ... + 386728.

Almost surely, 2^456028978 is an apocalyptic number.

456028978 is a deficient number, since it is larger than the sum of its proper divisors (289226750).

456028978 is a wasteful number, since it uses less digits than its factorization.

456028978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 456028978 is about 21354.8350028746. The cubic root of 456028978 is about 769.7165302763.

It can be divided in two parts, 45602 and 8978, that multiplied together give a square (409414756 = 20234²).

The spelling of 456028978 in words is "four hundred fifty-six million, twenty-eight thousand, nine hundred seventy-eight".