40457835837 has 6 divisors (see below), whose sum is σ = 58439096222. Its totient is φ = 26971890552.

The previous prime is 40457835811. The next prime is 40457835863. The reversal of 40457835837 is 73853875404.

It is a happy number.

40457835837 is a `hidden beast` number, since 4 + 0 + 4 + 57 + 8 + 3 + 583 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (40457835811) and next prime (40457835863).

It can be written as a sum of positive squares in only one way, i.e., 40457701881 + 133956 = 201141^2 + 366^2 .

It is not a de Polignac number, because 40457835837 - 2⁷ = 40457835709 is a prime.

It is a super-2 number, since 2×40457835837² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40457835437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2247657538 + ... + 2247657555.

Almost surely, 2^40457835837 is an apocalyptic number.

It is an amenable number.

40457835837 is a deficient number, since it is larger than the sum of its proper divisors (17981260385).

40457835837 is a wasteful number, since it uses less digits than its factorization.

40457835837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4495315099 (or 4495315096 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 40457835837 in words is "forty billion, four hundred fifty-seven million, eight hundred thirty-five thousand, eight hundred thirty-seven".