1025545023450 has 72 divisors (see below), whose sum is σ = 2917373982588. Its totient is φ = 257391690240.

The previous prime is 1025545023443. The next prime is 1025545023463. The reversal of 1025545023450 is 543205455201.

1025545023450 is a `hidden beast` number, since 1 + 0 + 2 + 554 + 50 + 2 + 3 + 4 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 644136261561 + 381408761889 = 802581^2 + 617583^2 .

It is a super-2 number, since 2×1025545023450² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 67021437 + ... + 67036736.

Almost surely, 2^{1025545023450} is an apocalyptic number.

1025545023450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025545023450 is an abundant number, since it is smaller than the sum of its proper divisors (1891828959138).

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

1025545023450 is a wasteful number, since it uses less digits than its factorization.

1025545023450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134058208 (or 134058200 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 1025545023450 in words is "one trillion, twenty-five billion, five hundred forty-five million, twenty-three thousand, four hundred fifty".