1552403445400 has 24 divisors (see below), whose sum is σ = 3609338011020. Its totient is φ = 620961378080.

The previous prime is 1552403445391. The next prime is 1552403445409. The reversal of 1552403445400 is 45443042551.

It is an interprime number because it is at equal distance from previous prime (1552403445391) and next prime (1552403445409).

It is a self number, because there is not a number n which added to its sum of digits gives 1552403445400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1552403445409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3881008414 + ... + 3881008813.

Almost surely, 2^{1552403445400} is an apocalyptic number.

1552403445400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552403445400 is an abundant number, since it is smaller than the sum of its proper divisors (2056934565620).

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

1552403445400 is a wasteful number, since it uses less digits than its factorization.

1552403445400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7762017243 (or 7762017234 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 1552403445400 its reverse (45443042551), we get a palindrome (1597846487951).

The spelling of 1552403445400 in words is "one trillion, five hundred fifty-two billion, four hundred three million, four hundred forty-five thousand, four hundred".