40345034925 has 48 divisors (see below), whose sum is σ = 71862553280. Its totient is φ = 19854512640.

The previous prime is 40345034921. The next prime is 40345034957. The reversal of 40345034925 is 52943054304.

It is not a de Polignac number, because 40345034925 - 2² = 40345034921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40345034921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3171177 + ... + 3183873.

Almost surely, 2^40345034925 is an apocalyptic number.

It is an amenable number.

40345034925 is a deficient number, since it is larger than the sum of its proper divisors (31517518355).

40345034925 is a wasteful number, since it uses less digits than its factorization.

40345034925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15982 (or 15977 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 40345034925 in words is "forty billion, three hundred forty-five million, thirty-four thousand, nine hundred twenty-five".