4378287492 has 36 divisors (see below), whose sum is σ = 11477241776. Its totient is φ = 1459428840.

The previous prime is 4378287467. The next prime is 4378287497. The reversal of 4378287492 is 2947828734.

It is a happy number.

4378287492 is a `hidden beast` number, since 4 + 3 + 78 + 2 + 87 + 492 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (4378287497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2251234 + ... + 2253177.

Almost surely, 2^4378287492 is an apocalyptic number.

It is an amenable number.

4378287492 is an abundant number, since it is smaller than the sum of its proper divisors (7098954284).

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

4378287492 is a wasteful number, since it uses less digits than its factorization.

4378287492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504430 (or 4504416 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 4378287492 is about 66168.6292135480. The cubic root of 4378287492 is about 1635.9427136442.

The spelling of 4378287492 in words is "four billion, three hundred seventy-eight million, two hundred eighty-seven thousand, four hundred ninety-two".