1140021423550 has 36 divisors (see below), whose sum is σ = 2216641329000. Its totient is φ = 436182099760.

The previous prime is 1140021423521. The next prime is 1140021423553. The reversal of 1140021423550 is 553241200411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140021423553) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21524050 + ... + 21576949.

It is an arithmetic number, because the mean of its divisors is an integer number (61573370250).

Almost surely, 2^{1140021423550} is an apocalyptic number.

1140021423550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140021423550 is a deficient number, since it is larger than the sum of its proper divisors (1076619905450).

1140021423550 is a wasteful number, since it uses less digits than its factorization.

1140021423550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43101057 (or 43101029 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 1140021423550 its reverse (553241200411), we get a palindrome (1693262623961).

The spelling of 1140021423550 in words is "one trillion, one hundred forty billion, twenty-one million, four hundred twenty-three thousand, five hundred fifty".