1640002553754 has 16 divisors (see below), whose sum is σ = 3316859098560. Its totient is φ = 540525186080.

The previous prime is 1640002553753. The next prime is 1640002553789. The reversal of 1640002553754 is 4573552000461.

It is not an unprimeable number, because it can be changed into a prime (1640002553753) 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, 1535582382 + ... + 1535583449.

It is an arithmetic number, because the mean of its divisors is an integer number (207303693660).

Almost surely, 2^{1640002553754} is an apocalyptic number.

1640002553754 is an abundant number, since it is smaller than the sum of its proper divisors (1676856544806).

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

1640002553754 is a wasteful number, since it uses less digits than its factorization.

1640002553754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071165925.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 1640002553754 in words is "one trillion, six hundred forty billion, two million, five hundred fifty-three thousand, seven hundred fifty-four".