40428801 has 40 divisors (see below), whose sum is σ = 69742464. Its totient is φ = 22861440.

The previous prime is 40428793. The next prime is 40428809. The reversal of 40428801 is 10882404.

It is an interprime number because it is at equal distance from previous prime (40428793) and next prime (40428809).

It is not a de Polignac number, because 40428801 - 2³ = 40428793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40428809) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 63756 + ... + 64386.

Almost surely, 2^40428801 is an apocalyptic number.

It is an amenable number.

40428801 is a deficient number, since it is larger than the sum of its proper divisors (29313663).

40428801 is a wasteful number, since it uses less digits than its factorization.

40428801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 754 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 40428801 is about 6358.3646482409. The cubic root of 40428801 is about 343.2129139598.

The spelling of 40428801 in words is "forty million, four hundred twenty-eight thousand, eight hundred one".