144477463340 has 72 divisors (see below), whose sum is σ = 355186193040. Its totient is φ = 49219567488.

The previous prime is 144477463189. The next prime is 144477463363. The reversal of 144477463340 is 43364774441.

It is a super-2 number, since 2×144477463340² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315650 + ... + 623369.

It is an arithmetic number, because the mean of its divisors is an integer number (4933141570).

Almost surely, 2^144477463340 is an apocalyptic number.

144477463340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144477463340 is an abundant number, since it is smaller than the sum of its proper divisors (210708729700).

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

144477463340 is a wasteful number, since it uses less digits than its factorization.

144477463340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939199 (or 939190 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 47.

The spelling of 144477463340 in words is "one hundred forty-four billion, four hundred seventy-seven million, four hundred sixty-three thousand, three hundred forty".