3642257537142 has 64 divisors (see below), whose sum is σ = 8744654536704. Its totient is φ = 988807485600.

The previous prime is 3642257537141. The next prime is 3642257537197. The reversal of 3642257537142 is 2417357522463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642257537141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12339078 + ... + 12630809.

It is an arithmetic number, because the mean of its divisors is an integer number (136635227136).

Almost surely, 2^{3642257537142} is an apocalyptic number.

3642257537142 is an abundant number, since it is smaller than the sum of its proper divisors (5102396999562).

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

3642257537142 is a wasteful number, since it uses less digits than its factorization.

3642257537142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24970073.

The product of its digits is 8467200, while the sum is 51.

The spelling of 3642257537142 in words is "three trillion, six hundred forty-two billion, two hundred fifty-seven million, five hundred thirty-seven thousand, one hundred forty-two".