40828401 has 16 divisors (see below), whose sum is σ = 60766720. Its totient is φ = 27092880.

The previous prime is 40828399. The next prime is 40828421. The reversal of 40828401 is 10482804.

It is not a de Polignac number, because 40828401 - 2¹ = 40828399 is a prime.

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

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40828421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2631 + ... + 9411.

It is an arithmetic number, because the mean of its divisors is an integer number (3797920).

Almost surely, 2^40828401 is an apocalyptic number.

It is an amenable number.

40828401 is a deficient number, since it is larger than the sum of its proper divisors (19938319).

40828401 is a wasteful number, since it uses less digits than its factorization.

40828401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013 (or 7007 counting only the distinct ones).

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

The square root of 40828401 is about 6389.7105568249. The cubic root of 40828401 is about 344.3399857791.

The spelling of 40828401 in words is "forty million, eight hundred twenty-eight thousand, four hundred one".