1540455196 has 12 divisors (see below), whose sum is σ = 3080910448. Its totient is φ = 660195072.

The previous prime is 1540455167. The next prime is 1540455197. The reversal of 1540455196 is 6915540451.

It is a happy number.

1540455196 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540455197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27508101 + ... + 27508156.

Almost surely, 2^1540455196 is an apocalyptic number.

It is an amenable number.

1540455196 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1540455196 is a wasteful number, since it uses less digits than its factorization.

1540455196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55016268 (or 55016266 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 1540455196 is about 39248.6330462603. The cubic root of 1540455196 is about 1154.9141184121.

The spelling of 1540455196 in words is "one billion, five hundred forty million, four hundred fifty-five thousand, one hundred ninety-six".