153231214034440 has 32 divisors (see below), whose sum is σ = 346143818180160. Its totient is φ = 61048292440000.

The previous prime is 153231214034411. The next prime is 153231214034461. The reversal of 153231214034440 is 44430412132351.

It is a super-2 number, since 2×153231214034440² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 153231214034440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7631026516 + ... + 7631046595.

It is an arithmetic number, because the mean of its divisors is an integer number (10816994318130).

Almost surely, 2^{153231214034440} is an apocalyptic number.

153231214034440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153231214034440 is an abundant number, since it is smaller than the sum of its proper divisors (192912604145720).

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

153231214034440 is a wasteful number, since it uses less digits than its factorization.

153231214034440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15262073373 (or 15262073369 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 153231214034440 its reverse (44430412132351), we get a palindrome (197661626166791).

The spelling of 153231214034440 in words is "one hundred fifty-three trillion, two hundred thirty-one billion, two hundred fourteen million, thirty-four thousand, four hundred forty".