40254028 has 24 divisors (see below), whose sum is σ = 74837952. Its totient is φ = 18879744.

The previous prime is 40254017. The next prime is 40254029. The reversal of 40254028 is 82045204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40253993 and 40254011.

It is not an unprimeable number, because it can be changed into a prime (40254029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24150 + ... + 25762.

It is an arithmetic number, because the mean of its divisors is an integer number (3118248).

Almost surely, 2^40254028 is an apocalyptic number.

It is an amenable number.

40254028 is a deficient number, since it is larger than the sum of its proper divisors (34583924).

40254028 is a wasteful number, since it uses less digits than its factorization.

40254028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001 (or 1999 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 40254028 is about 6344.6062131546. The cubic root of 40254028 is about 342.7176317647.

The spelling of 40254028 in words is "forty million, two hundred fifty-four thousand, twenty-eight".