40353320525 has 48 divisors (see below), whose sum is σ = 60233525760. Its totient is φ = 26198251200.

The previous prime is 40353320521. The next prime is 40353320543. The reversal of 40353320525 is 52502335304.

It is not a de Polignac number, because 40353320525 - 2² = 40353320521 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40353320491 and 40353320500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40353320521) 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, 7801190 + ... + 7806360.

It is an arithmetic number, because the mean of its divisors is an integer number (1254865120).

Almost surely, 2^40353320525 is an apocalyptic number.

It is an amenable number.

40353320525 is a deficient number, since it is larger than the sum of its proper divisors (19880205235).

40353320525 is a wasteful number, since it uses less digits than its factorization.

40353320525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7554 (or 7549 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 32.

Adding to 40353320525 its reverse (52502335304), we get a palindrome (92855655829).

The spelling of 40353320525 in words is "forty billion, three hundred fifty-three million, three hundred twenty thousand, five hundred twenty-five".