40298052157 has 16 divisors (see below), whose sum is σ = 44243426880. Its totient is φ = 36400003200.

The previous prime is 40298052149. The next prime is 40298052163. The reversal of 40298052157 is 75125089204.

It is not a de Polignac number, because 40298052157 - 2³ = 40298052149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40298052107) 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, 2593303 + ... + 2608795.

It is an arithmetic number, because the mean of its divisors is an integer number (2765214180).

Almost surely, 2^40298052157 is an apocalyptic number.

It is an amenable number.

40298052157 is a deficient number, since it is larger than the sum of its proper divisors (3945374723).

40298052157 is a wasteful number, since it uses less digits than its factorization.

40298052157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17004.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 40298052157 in words is "forty billion, two hundred ninety-eight million, fifty-two thousand, one hundred fifty-seven".