40025837 has 16 divisors (see below), whose sum is σ = 45178560. Its totient is φ = 35235072.

The previous prime is 40025833. The next prime is 40025861. The reversal of 40025837 is 73852004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40025837 - 2² = 40025833 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40025833) 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, 26063 + ... + 27555.

It is an arithmetic number, because the mean of its divisors is an integer number (2823660).

Almost surely, 2^40025837 is an apocalyptic number.

It is an amenable number.

40025837 is a deficient number, since it is larger than the sum of its proper divisors (5152723).

40025837 is a wasteful number, since it uses less digits than its factorization.

40025837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 40025837 is about 6326.5975848002. The cubic root of 40025837 is about 342.0688079011.

The spelling of 40025837 in words is "forty million, twenty-five thousand, eight hundred thirty-seven".