1042121014440 has 64 divisors (see below), whose sum is σ = 3410577869760. Its totient is φ = 252635397120.

The previous prime is 1042121014439. The next prime is 1042121014469. The reversal of 1042121014440 is 444101212401.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1042121014440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394741489 + ... + 394744128.

It is an arithmetic number, because the mean of its divisors is an integer number (53290279215).

Almost surely, 2^{1042121014440} is an apocalyptic number.

1042121014440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042121014440 is an abundant number, since it is smaller than the sum of its proper divisors (2368456855320).

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

1042121014440 is a wasteful number, since it uses less digits than its factorization.

1042121014440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789485642 (or 789485638 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 1042121014440 its reverse (444101212401), we get a palindrome (1486222226841).

The spelling of 1042121014440 in words is "one trillion, forty-two billion, one hundred twenty-one million, fourteen thousand, four hundred forty".