40651431100 has 36 divisors (see below), whose sum is σ = 100815550864. Its totient is φ = 13937633280.

The previous prime is 40651431091. The next prime is 40651431109. The reversal of 40651431100 is 113415604.

It is an interprime number because it is at equal distance from previous prime (40651431091) and next prime (40651431109).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40651431109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29036037 + ... + 29037436.

Almost surely, 2^40651431100 is an apocalyptic number.

It is an amenable number.

40651431100 is an abundant number, since it is smaller than the sum of its proper divisors (60164119764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40651431100 is a wasteful number, since it uses less digits than its factorization.

40651431100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58073494 (or 58073487 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 40651431100 its reverse (113415604), we get a palindrome (40764846704).

The spelling of 40651431100 in words is "forty billion, six hundred fifty-one million, four hundred thirty-one thousand, one hundred".