40098725787 has 8 divisors (see below), whose sum is σ = 53994324240. Its totient is φ = 26467805600.

The previous prime is 40098725761. The next prime is 40098725789. The reversal of 40098725787 is 78752789004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40098725787 - 2¹⁴ = 40098709403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40098725789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66169212 + ... + 66169817.

It is an arithmetic number, because the mean of its divisors is an integer number (6749290530).

Almost surely, 2^40098725787 is an apocalyptic number.

40098725787 is a deficient number, since it is larger than the sum of its proper divisors (13895598453).

40098725787 is a wasteful number, since it uses less digits than its factorization.

40098725787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132339133.

The product of its (nonzero) digits is 7902720, while the sum is 57.

The spelling of 40098725787 in words is "forty billion, ninety-eight million, seven hundred twenty-five thousand, seven hundred eighty-seven".