1572141340 has 96 divisors (see below), whose sum is σ = 4141476864. Its totient is φ = 487004160.

The previous prime is 1572141331. The next prime is 1572141353. The reversal of 1572141340 is 431412751.

It is a super-4 number, since 4×1572141340⁴ (a number of 38 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 1572141299 and 1572141308.

It is a congruent number.

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, 254124 + ... + 260236.

It is an arithmetic number, because the mean of its divisors is an integer number (43140384).

Almost surely, 2^1572141340 is an apocalyptic number.

1572141340 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 1572141340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2070738432).

1572141340 is an abundant number, since it is smaller than the sum of its proper divisors (2569335524).

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

1572141340 is a wasteful number, since it uses less digits than its factorization.

1572141340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6307 (or 6305 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1572141340 is about 39650.2375781029. The cubic root of 1572141340 is about 1162.7790433541.

The spelling of 1572141340 in words is "one billion, five hundred seventy-two million, one hundred forty-one thousand, three hundred forty".