1034003400378 has 128 divisors (see below), whose sum is σ = 2366929797120. Its totient is φ = 298319723520.

The previous prime is 1034003400377. The next prime is 1034003400383. The reversal of 1034003400378 is 8730043004301.

It is not an unprimeable number, because it can be changed into a prime (1034003400377) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 578624401 + ... + 578626187.

It is an arithmetic number, because the mean of its divisors is an integer number (18491639040).

Almost surely, 2^{1034003400378} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1034003400378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1183464898560).

1034003400378 is an abundant number, since it is smaller than the sum of its proper divisors (1332926396742).

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

1034003400378 is a wasteful number, since it uses less digits than its factorization.

1034003400378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212.

The product of its (nonzero) digits is 24192, while the sum is 33.

Adding to 1034003400378 its reverse (8730043004301), we get a palindrome (9764046404679).

The spelling of 1034003400378 in words is "one trillion, thirty-four billion, three million, four hundred thousand, three hundred seventy-eight".