140115400550 has 24 divisors (see below), whose sum is σ = 262516954536. Its totient is φ = 55637061440.

The previous prime is 140115400501. The next prime is 140115400571. The reversal of 140115400550 is 55004511041.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10220552 + ... + 10234251.

It is an arithmetic number, because the mean of its divisors is an integer number (10938206439).

Almost surely, 2^140115400550 is an apocalyptic number.

140115400550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140115400550 is a deficient number, since it is larger than the sum of its proper divisors (122401553986).

140115400550 is a wasteful number, since it uses less digits than its factorization.

140115400550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20454952 (or 20454947 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 140115400550 its reverse (55004511041), we get a palindrome (195119911591).

The spelling of 140115400550 in words is "one hundred forty billion, one hundred fifteen million, four hundred thousand, five hundred fifty".