1957426620952 has 160 divisors (see below), whose sum is σ = 4191403554000. Its totient is φ = 855971424000.

The previous prime is 1957426620943. The next prime is 1957426620959. The reversal of 1957426620952 is 2590266247591.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1957426620959) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1124310802 + ... + 1124312542.

Almost surely, 2^{1957426620952} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1957426620952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2095701777000).

1957426620952 is an abundant number, since it is smaller than the sum of its proper divisors (2233976933048).

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

1957426620952 is a wasteful number, since it uses less digits than its factorization.

1957426620952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151 (or 2114 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 1957426620952 in words is "one trillion, nine hundred fifty-seven billion, four hundred twenty-six million, six hundred twenty thousand, nine hundred fifty-two".