1949449926120 has 128 divisors (see below), whose sum is σ = 6124192358400. Its totient is φ = 495493726464.

The previous prime is 1949449926119. The next prime is 1949449926121. The reversal of 1949449926120 is 216299449491.

It is an interprime number because it is at equal distance from previous prime (1949449926119) and next prime (1949449926121).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (1949449926121) 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, 466840 + ... + 2028999.

It is an arithmetic number, because the mean of its divisors is an integer number (47845252800).

Almost surely, 2^{1949449926120} is an apocalyptic number.

1949449926120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1949449926120 is an abundant number, since it is smaller than the sum of its proper divisors (4174742432280).

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

1949449926120 is a wasteful number, since it uses less digits than its factorization.

1949449926120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496159 (or 2496155 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 1949449926120 in words is "one trillion, nine hundred forty-nine billion, four hundred forty-nine million, nine hundred twenty-six thousand, one hundred twenty".