3540454920 has 80 divisors (see below), whose sum is σ = 11899873260. Its totient is φ = 944120448.

The previous prime is 3540454903. The next prime is 3540454933. The reversal of 3540454920 is 294540453.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3521947716 + 18507204 = 59346^2 + 4302^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 543127 + ... + 549606.

Almost surely, 2^3540454920 is an apocalyptic number.

3540454920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3540454920 is an abundant number, since it is smaller than the sum of its proper divisors (8359418340).

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

3540454920 is a wasteful number, since it uses less digits than its factorization.

3540454920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092756 (or 1092743 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 3540454920 is about 59501.7219918886. The cubic root of 3540454920 is about 1524.1218515008.

The spelling of 3540454920 in words is "three billion, five hundred forty million, four hundred fifty-four thousand, nine hundred twenty".