7235507131640 has 64 divisors (see below), whose sum is σ = 16346838705120. Its totient is φ = 2882304000000.

The previous prime is 7235507131621. The next prime is 7235507131649. The reversal of 7235507131640 is 461317055327.

It is a junction number, because it is equal to n+sod(n) for n = 7235507131591 and 7235507131600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7235507131649) 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, 86713940 + ... + 86797340.

Almost surely, 2^{7235507131640} is an apocalyptic number.

It is an amenable number.

7235507131640 is an abundant number, since it is smaller than the sum of its proper divisors (9111331573480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7235507131640 is a wasteful number, since it uses less digits than its factorization.

7235507131640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92304 (or 92300 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 7235507131640 in words is "seven trillion, two hundred thirty-five billion, five hundred seven million, one hundred thirty-one thousand, six hundred forty".