42504155405415 has 144 divisors (see below), whose sum is σ = 81359492917248. Its totient is φ = 20511746640000.

The previous prime is 42504155405347. The next prime is 42504155405423. The reversal of 42504155405415 is 51450455140524.

42504155405415 is a `hidden beast` number, since 4 + 2 + 5 + 0 + 41 + 5 + 540 + 54 + 15 = 666.

It is not a de Polignac number, because 42504155405415 - 2¹⁸ = 42504155143271 is a prime.

It is a super-2 number, since 2×42504155405415² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1550836642 + ... + 1550864048.

It is an arithmetic number, because the mean of its divisors is an integer number (564996478592).

Almost surely, 2^{42504155405415} is an apocalyptic number.

42504155405415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42504155405415 is a deficient number, since it is larger than the sum of its proper divisors (38855337511833).

42504155405415 is a wasteful number, since it uses less digits than its factorization.

42504155405415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28762 (or 28748 counting only the distinct ones).

The product of its (nonzero) digits is 1600000, while the sum is 45.

The spelling of 42504155405415 in words is "forty-two trillion, five hundred four billion, one hundred fifty-five million, four hundred five thousand, four hundred fifteen".