1040251011400 has 96 divisors (see below), whose sum is σ = 2485909463040. Its totient is φ = 404535202560.

The previous prime is 1040251011391. The next prime is 1040251011431. The reversal of 1040251011400 is 41101520401.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9439417 + ... + 9548983.

It is an arithmetic number, because the mean of its divisors is an integer number (25894890240).

Almost surely, 2^{1040251011400} is an apocalyptic number.

1040251011400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040251011400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1242954731520).

1040251011400 is an abundant number, since it is smaller than the sum of its proper divisors (1445658451640).

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

1040251011400 is a wasteful number, since it uses less digits than its factorization.

1040251011400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110903 (or 110894 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 1040251011400 its reverse (41101520401), we get a palindrome (1081352531801).

The spelling of 1040251011400 in words is "one trillion, forty billion, two hundred fifty-one million, eleven thousand, four hundred".