4347540990 has 48 divisors (see below), whose sum is σ = 12173118048. Its totient is φ = 1070163648.

The previous prime is 4347540979. The next prime is 4347540991. The reversal of 4347540990 is 990457434.

It is a happy number.

It is a super-2 number, since 2×4347540990² = 37802225319460360200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4347540991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1856754 + ... + 1859093.

It is an arithmetic number, because the mean of its divisors is an integer number (253606626).

Almost surely, 2^4347540990 is an apocalyptic number.

4347540990 is an abundant number, since it is smaller than the sum of its proper divisors (7825577058).

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

4347540990 is a wasteful number, since it uses less digits than its factorization.

4347540990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715873 (or 3715870 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 4347540990 is about 65935.8854494273. The cubic root of 4347540990 is about 1632.1042478643.

The spelling of 4347540990 in words is "four billion, three hundred forty-seven million, five hundred forty thousand, nine hundred ninety".