40634142472 has 64 divisors (see below), whose sum is σ = 95012352000. Its totient is φ = 15827576640.

The previous prime is 40634142467. The next prime is 40634142473. The reversal of 40634142472 is 27424143604.

It is a happy number.

It is a super-2 number, since 2×40634142472² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40634142473) 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, 4666779 + ... + 4675477.

It is an arithmetic number, because the mean of its divisors is an integer number (1484568000).

Almost surely, 2^40634142472 is an apocalyptic number.

It is an amenable number.

40634142472 is an abundant number, since it is smaller than the sum of its proper divisors (54378209528).

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

40634142472 is a wasteful number, since it uses less digits than its factorization.

40634142472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16306 (or 16302 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 40634142472 in words is "forty billion, six hundred thirty-four million, one hundred forty-two thousand, four hundred seventy-two".