1144967287990 has 32 divisors (see below), whose sum is σ = 2196872640000. Its totient is φ = 428390153568.

The previous prime is 1144967287967. The next prime is 1144967287999. The reversal of 1144967287990 is 997827694411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144967287999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38125140 + ... + 38155159.

It is an arithmetic number, because the mean of its divisors is an integer number (68652270000).

Almost surely, 2^{1144967287990} is an apocalyptic number.

1144967287990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144967287990 is a deficient number, since it is larger than the sum of its proper divisors (1051905352010).

1144967287990 is a wasteful number, since it uses less digits than its factorization.

1144967287990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76280404.

The product of its (nonzero) digits is 54867456, while the sum is 67.

The spelling of 1144967287990 in words is "one trillion, one hundred forty-four billion, nine hundred sixty-seven million, two hundred eighty-seven thousand, nine hundred ninety".