1620410140244 has 48 divisors (see below), whose sum is σ = 3260603566080. Its totient is φ = 690223179360.

The previous prime is 1620410140241. The next prime is 1620410140247. The reversal of 1620410140244 is 4420410140261.

It is an interprime number because it is at equal distance from previous prime (1620410140241) and next prime (1620410140247).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1620410140241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58955297 + ... + 58982775.

It is an arithmetic number, because the mean of its divisors is an integer number (67929240960).

Almost surely, 2^{1620410140244} is an apocalyptic number.

1620410140244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1620410140244 is an abundant number, since it is smaller than the sum of its proper divisors (1640193425836).

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

1620410140244 is a wasteful number, since it uses less digits than its factorization.

1620410140244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40268 (or 40266 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The spelling of 1620410140244 in words is "one trillion, six hundred twenty billion, four hundred ten million, one hundred forty thousand, two hundred forty-four".