40357349725 has 24 divisors (see below), whose sum is σ = 62391417408. Its totient is φ = 25157827200.

The previous prime is 40357349693. The next prime is 40357349729. The reversal of 40357349725 is 52794375304.

It is not a de Polignac number, because 40357349725 - 2⁵ = 40357349693 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 (40357349729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10480504 + ... + 10484353.

It is an arithmetic number, because the mean of its divisors is an integer number (2599642392).

Almost surely, 2^40357349725 is an apocalyptic number.

It is an amenable number.

40357349725 is a deficient number, since it is larger than the sum of its proper divisors (22034067683).

40357349725 is a wasteful number, since it uses less digits than its factorization.

40357349725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20964885 (or 20964880 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 49.

The spelling of 40357349725 in words is "forty billion, three hundred fifty-seven million, three hundred forty-nine thousand, seven hundred twenty-five".