1438475772054 has 16 divisors (see below), whose sum is σ = 2877656901120. Its totient is φ = 479374364520.

The previous prime is 1438475772049. The next prime is 1438475772073. The reversal of 1438475772054 is 4502775748341.

It is a junction number, because it is equal to n+sod(n) for n = 1438475771985 and 1438475772003.

It is a congruent number.

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, 29363362 + ... + 29412309.

It is an arithmetic number, because the mean of its divisors is an integer number (179853556320).

Almost surely, 2^{1438475772054} is an apocalyptic number.

1438475772054 is an abundant number, since it is smaller than the sum of its proper divisors (1439181129066).

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

1438475772054 is a wasteful number, since it uses less digits than its factorization.

1438475772054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58779755.

The product of its (nonzero) digits is 26342400, while the sum is 57.

The spelling of 1438475772054 in words is "one trillion, four hundred thirty-eight billion, four hundred seventy-five million, seven hundred seventy-two thousand, fifty-four".