424151555040 has 144 divisors (see below), whose sum is σ = 1455504195600. Its totient is φ = 112475129856.

The previous prime is 424151555033. The next prime is 424151555077. The reversal of 424151555040 is 40555151424.

424151555040 is a `hidden beast` number, since 4 + 2 + 415 + 155 + 50 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 424151554986 and 424151555004.

It is a congruent number.

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, 565005 + ... + 1080524.

It is an arithmetic number, because the mean of its divisors is an integer number (10107668025).

Almost surely, 2^424151555040 is an apocalyptic number.

424151555040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424151555040 is an abundant number, since it is smaller than the sum of its proper divisors (1031352640560).

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

424151555040 is a wasteful number, since it uses less digits than its factorization.

424151555040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645729 (or 1645718 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 424151555040 in words is "four hundred twenty-four billion, one hundred fifty-one million, five hundred fifty-five thousand, forty".