546215940 has 96 divisors (see below), whose sum is σ = 1740856320. Its totient is φ = 142099200.

The previous prime is 546215927. The next prime is 546215953. The reversal of 546215940 is 49512645.

546215940 is a `hidden beast` number, since 5 + 4 + 62 + 1 + 594 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (546215927) and next prime (546215953).

It is a super-2 number, since 2×546215940² = 596703706220167200, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 546215895 and 546215904.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9805 + ... + 34475.

It is an arithmetic number, because the mean of its divisors is an integer number (18133920).

Almost surely, 2^546215940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 546215940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870428160).

546215940 is an abundant number, since it is smaller than the sum of its proper divisors (1194640380).

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

546215940 is a wasteful number, since it uses less digits than its factorization.

546215940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24730 (or 24722 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 546215940 is about 23371.2631237595. The cubic root of 546215940 is about 817.4379382227.

The spelling of 546215940 in words is "five hundred forty-six million, two hundred fifteen thousand, nine hundred forty".