1552555525040 has 80 divisors (see below), whose sum is σ = 3923690930208. Its totient is φ = 567893741568.

The previous prime is 1552555524953. The next prime is 1552555525067. The reversal of 1552555525040 is 405255552551.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1552555524982 and 1552555525000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6864617 + ... + 7087176.

Almost surely, 2^{1552555525040} is an apocalyptic number.

1552555525040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552555525040 is an abundant number, since it is smaller than the sum of its proper divisors (2371135405168).

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

1552555525040 is a wasteful number, since it uses less digits than its factorization.

1552555525040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13951926 (or 13951920 counting only the distinct ones).

The product of its (nonzero) digits is 1250000, while the sum is 44.

The spelling of 1552555525040 in words is "one trillion, five hundred fifty-two billion, five hundred fifty-five million, five hundred twenty-five thousand, forty".