1552046643420 has 192 divisors, whose sum is σ = 5403733472256. Its totient is φ = 324088750080.

The previous prime is 1552046643391. The next prime is 1552046643457. The reversal of 1552046643420 is 243466402551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 935626 + ... + 1994865.

It is an arithmetic number, because the mean of its divisors is an integer number (28144445168).

Almost surely, 2^{1552046643420} is an apocalyptic number.

1552046643420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1552046643420 is an abundant number, since it is smaller than the sum of its proper divisors (3851686828836).

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

1552046643420 is a wasteful number, since it uses less digits than its factorization.

1552046643420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930620 (or 2930618 counting only the distinct ones).

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

The spelling of 1552046643420 in words is "one trillion, five hundred fifty-two billion, forty-six million, six hundred forty-three thousand, four hundred twenty".