1549442210040 has 128 divisors (see below), whose sum is σ = 5262256756800. Its totient is φ = 405388638720.

The previous prime is 1549442210003. The next prime is 1549442210047. The reversal of 1549442210040 is 400122449451.

1549442210040 is a `hidden beast` number, since 1 + 5 + 4 + 94 + 422 + 100 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1549442209977 and 1549442210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1549442210047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13477371 + ... + 13591850.

Almost surely, 2^{1549442210040} is an apocalyptic number.

1549442210040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1549442210040 is an abundant number, since it is smaller than the sum of its proper divisors (3712814546760).

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

1549442210040 is a wasteful number, since it uses less digits than its factorization.

1549442210040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27069294 (or 27069284 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 1549442210040 its reverse (400122449451), we get a palindrome (1949564659491).

The spelling of 1549442210040 in words is "one trillion, five hundred forty-nine billion, four hundred forty-two million, two hundred ten thousand, forty".