940348153791 has 24 divisors (see below), whose sum is σ = 1365384689760. Its totient is φ = 623627424000.

The previous prime is 940348153781. The next prime is 940348153837. The reversal of 940348153791 is 197351843049.

940348153791 is a `hidden beast` number, since 9 + 40 + 3 + 481 + 5 + 37 + 91 = 666.

It is not a de Polignac number, because 940348153791 - 2¹³ = 940348145599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940348153721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1210590 + ... + 1829268.

It is an arithmetic number, because the mean of its divisors is an integer number (56891028740).

Almost surely, 2^940348153791 is an apocalyptic number.

940348153791 is a deficient number, since it is larger than the sum of its proper divisors (425036535969).

940348153791 is a wasteful number, since it uses less digits than its factorization.

940348153791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619567 (or 619564 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 940348153791 in words is "nine hundred forty billion, three hundred forty-eight million, one hundred fifty-three thousand, seven hundred ninety-one".