38401144451187 has 32 divisors (see below), whose sum is σ = 61376215160832. Its totient is φ = 20896178477184.

The previous prime is 38401144451123. The next prime is 38401144451227. The reversal of 38401144451187 is 78115444110483.

It is not a de Polignac number, because 38401144451187 - 2⁶ = 38401144451123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38401144451287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525732868 + ... + 525805905.

It is an arithmetic number, because the mean of its divisors is an integer number (1918006723776).

Almost surely, 2^{38401144451187} is an apocalyptic number.

38401144451187 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

38401144451187 is a deficient number, since it is larger than the sum of its proper divisors (22975070709645).

38401144451187 is a wasteful number, since it uses less digits than its factorization.

38401144451187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051538867.

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 38401144451187 in words is "thirty-eight trillion, four hundred one billion, one hundred forty-four million, four hundred fifty-one thousand, one hundred eighty-seven".