4003456428 has 60 divisors (see below), whose sum is σ = 10688543712. Its totient is φ = 1306087200.

The previous prime is 4003456421. The next prime is 4003456441. The reversal of 4003456428 is 8246543004.

4003456428 is a `hidden beast` number, since 4 + 0 + 0 + 3 + 4 + 5 + 642 + 8 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 4003456392 and 4003456401.

It is not an unprimeable number, because it can be changed into a prime (4003456421) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 116223 + ... + 146678.

Almost surely, 2^4003456428 is an apocalyptic number.

It is an amenable number.

4003456428 is an abundant number, since it is smaller than the sum of its proper divisors (6685087284).

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

4003456428 is a wasteful number, since it uses less digits than its factorization.

4003456428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262964 (or 262953 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 4003456428 is about 63272.8727655067. The cubic root of 4003456428 is about 1587.8581484537.

The spelling of 4003456428 in words is "four billion, three million, four hundred fifty-six thousand, four hundred twenty-eight".