40287698012 has 24 divisors (see below), whose sum is σ = 73647512736. Its totient is φ = 19247424768.

The previous prime is 40287697963. The next prime is 40287698023. The reversal of 40287698012 is 21089678204.

It is a happy number.

40287698012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40287698012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147473 + ... + 319880.

It is an arithmetic number, because the mean of its divisors is an integer number (3068646364).

Almost surely, 2^40287698012 is an apocalyptic number.

It is an amenable number.

40287698012 is a deficient number, since it is larger than the sum of its proper divisors (33359814724).

40287698012 is a wasteful number, since it uses less digits than its factorization.

40287698012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468317 (or 468315 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 40287698012 in words is "forty billion, two hundred eighty-seven million, six hundred ninety-eight thousand, twelve".