1073400441438 has 24 divisors (see below), whose sum is σ = 2324642378328. Its totient is φ = 330277058592.

The previous prime is 1073400441431. The next prime is 1073400441457. The reversal of 1073400441438 is 8341440043701.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1073400441396 and 1073400441405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1073400441431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529289145 + ... + 529291172.

It is an arithmetic number, because the mean of its divisors is an integer number (96860099097).

Almost surely, 2^{1073400441438} is an apocalyptic number.

1073400441438 is an abundant number, since it is smaller than the sum of its proper divisors (1251241936890).

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

1073400441438 is a wasteful number, since it uses less digits than its factorization.

1073400441438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058580348 (or 1058580335 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 1073400441438 in words is "one trillion, seventy-three billion, four hundred million, four hundred forty-one thousand, four hundred thirty-eight".