7545641340 has 24 divisors (see below), whose sum is σ = 21127795920. Its totient is φ = 2012171008.

The previous prime is 7545641329. The next prime is 7545641347. The reversal of 7545641340 is 431465457.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7545641347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62880285 + ... + 62880404.

It is an arithmetic number, because the mean of its divisors is an integer number (880324830).

Almost surely, 2^7545641340 is an apocalyptic number.

It is an amenable number.

7545641340 is an abundant number, since it is smaller than the sum of its proper divisors (13582154580).

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

7545641340 is a wasteful number, since it uses less digits than its factorization.

7545641340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125760701 (or 125760699 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 7545641340 is about 86865.6510940890. The cubic root of 7545641340 is about 1961.3964555358.

The spelling of 7545641340 in words is "seven billion, five hundred forty-five million, six hundred forty-one thousand, three hundred forty".