420026756 has 12 divisors (see below), whose sum is σ = 735328860. Its totient is φ = 209932800.

The previous prime is 420026731. The next prime is 420026767. The reversal of 420026756 is 657620024.

It can be written as a sum of positive squares in 2 ways, for example, as 317409856 + 102616900 = 17816^2 + 10130^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7541 + ... + 29948.

It is an arithmetic number, because the mean of its divisors is an integer number (61277405).

Almost surely, 2^420026756 is an apocalyptic number.

It is an amenable number.

420026756 is a deficient number, since it is larger than the sum of its proper divisors (315302104).

420026756 is a wasteful number, since it uses less digits than its factorization.

420026756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40294 (or 40292 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 420026756 is about 20494.5543010820. The cubic root of 420026756 is about 748.9031409453.

The spelling of 420026756 in words is "four hundred twenty million, twenty-six thousand, seven hundred fifty-six".