1406120500554 has 128 divisors (see below), whose sum is σ = 3613153996800. Its totient is φ = 361609416000.

The previous prime is 1406120500541. The next prime is 1406120500571. The reversal of 1406120500554 is 4550050216041.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1978947 + ... + 2593929.

It is an arithmetic number, because the mean of its divisors is an integer number (28227765600).

Almost surely, 2^{1406120500554} is an apocalyptic number.

1406120500554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1406120500554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1806576998400).

1406120500554 is an abundant number, since it is smaller than the sum of its proper divisors (2207033496246).

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

1406120500554 is a wasteful number, since it uses less digits than its factorization.

1406120500554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615121 (or 615107 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 1406120500554 its reverse (4550050216041), we get a palindrome (5956170716595).

The spelling of 1406120500554 in words is "one trillion, four hundred six billion, one hundred twenty million, five hundred thousand, five hundred fifty-four".