2152153421040 has 160 divisors (see below), whose sum is σ = 7787001600000. Its totient is φ = 481454364672.

The previous prime is 2152153421021. The next prime is 2152153421059. The reversal of 2152153421040 is 401243512512.

It is an interprime number because it is at equal distance from previous prime (2152153421021) and next prime (2152153421059).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2152153420989 and 2152153421007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13549165 + ... + 13707084.

It is an arithmetic number, because the mean of its divisors is an integer number (48668760000).

Almost surely, 2^{2152153421040} is an apocalyptic number.

2152153421040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152153421040 is an abundant number, since it is smaller than the sum of its proper divisors (5634848178960).

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

2152153421040 is a wasteful number, since it uses less digits than its factorization.

2152153421040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27256319 (or 27256313 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 2152153421040 its reverse (401243512512), we get a palindrome (2553396933552).

The spelling of 2152153421040 in words is "two trillion, one hundred fifty-two billion, one hundred fifty-three million, four hundred twenty-one thousand, forty".