1025542426632 has 128 divisors (see below), whose sum is σ = 2730043180800. Its totient is φ = 319920611328.

The previous prime is 1025542426631. The next prime is 1025542426673. The reversal of 1025542426632 is 2366242455201.

It is a super-2 number, since 2×1025542426632² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1025542426631) 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, 76887868 + ... + 76901204.

It is an arithmetic number, because the mean of its divisors is an integer number (21328462350).

Almost surely, 2^{1025542426632} is an apocalyptic number.

1025542426632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025542426632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1365021590400).

1025542426632 is an abundant number, since it is smaller than the sum of its proper divisors (1704500754168).

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

1025542426632 is a wasteful number, since it uses less digits than its factorization.

1025542426632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14415 (or 14411 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The spelling of 1025542426632 in words is "one trillion, twenty-five billion, five hundred forty-two million, four hundred twenty-six thousand, six hundred thirty-two".