40245051031 has 16 divisors (see below), whose sum is σ = 43402949280. Its totient is φ = 37177016320.

The previous prime is 40245051023. The next prime is 40245051097. The reversal of 40245051031 is 13015054204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40245051031 - 2³ = 40245051023 is a prime.

It is a super-2 number, since 2×40245051031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40245050987 and 40245051005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40245051131) 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, 611625 + ... + 674221.

It is an arithmetic number, because the mean of its divisors is an integer number (2712684330).

Almost surely, 2^40245051031 is an apocalyptic number.

40245051031 is a deficient number, since it is larger than the sum of its proper divisors (3157898249).

40245051031 is a wasteful number, since it uses less digits than its factorization.

40245051031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63314.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 40245051031 in words is "forty billion, two hundred forty-five million, fifty-one thousand, thirty-one".