1472556540 has 192 divisors, whose sum is σ = 5097931776. Its totient is φ = 309270528.

The previous prime is 1472556529. The next prime is 1472556557. The reversal of 1472556540 is 456552741.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1544704 + ... + 1545656.

It is an arithmetic number, because the mean of its divisors is an integer number (26551728).

Almost surely, 2^1472556540 is an apocalyptic number.

1472556540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1472556540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2548965888).

1472556540 is an abundant number, since it is smaller than the sum of its proper divisors (3625375236).

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

1472556540 is a wasteful number, since it uses less digits than its factorization.

1472556540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 1472556540 is about 38373.9044143282. The cubic root of 1472556540 is about 1137.6901367144.

The spelling of 1472556540 in words is "one billion, four hundred seventy-two million, five hundred fifty-six thousand, five hundred forty".