40730515388 has 12 divisors (see below), whose sum is σ = 71291117520. Its totient is φ = 20361624672.

The previous prime is 40730515363. The next prime is 40730515453. The reversal of 40730515388 is 88351503704.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882953 + ... + 927936.

It is an arithmetic number, because the mean of its divisors is an integer number (5940926460).

Almost surely, 2^40730515388 is an apocalyptic number.

It is an amenable number.

40730515388 is a deficient number, since it is larger than the sum of its proper divisors (30560602132).

40730515388 is a wasteful number, since it uses less digits than its factorization.

40730515388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816516 (or 1816514 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 40730515388 in words is "forty billion, seven hundred thirty million, five hundred fifteen thousand, three hundred eighty-eight".