1453409772 has 24 divisors (see below), whose sum is σ = 3414054000. Its totient is φ = 481217856.

The previous prime is 1453409753. The next prime is 1453409777. The reversal of 1453409772 is 2779043541.

It is a super-2 number, since 2×1453409772² = 4224799930690183968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1453409777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404647 + ... + 408222.

It is an arithmetic number, because the mean of its divisors is an integer number (142252250).

Almost surely, 2^1453409772 is an apocalyptic number.

1453409772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1453409772 is an abundant number, since it is smaller than the sum of its proper divisors (1960644228).

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

1453409772 is a wasteful number, since it uses less digits than its factorization.

1453409772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813025 (or 813023 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 1453409772 is about 38123.6117386588. The cubic root of 1453409772 is about 1132.7377093619.

The spelling of 1453409772 in words is "one billion, four hundred fifty-three million, four hundred nine thousand, seven hundred seventy-two".